Pith Number

pith:B2EPUGSH

pith:2026:B2EPUGSHFIQNZNBUET4IG5VTEH

not attested not anchored not stored refs pending

Separating Oblivious and Adaptive Models of Variable Selection

Jerry Li, Kevin Tian, Yusong Zhu, Ziyun Chen

arxiv:2602.16568 v2 · 2026-02-18 · math.ST · cs.DS · cs.LG · math.OC · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2EPUGSHFIQNZNBUET4IG5VTEH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-24T00:14:22.475688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e88fa1a472a20dcb43424f88376b321da57023d399277b23ccdc652a4198627

Aliases

arxiv: 2602.16568 · arxiv_version: 2602.16568v2 · doi: 10.48550/arxiv.2602.16568 · pith_short_12: B2EPUGSHFIQN · pith_short_16: B2EPUGSHFIQNZNBU · pith_short_8: B2EPUGSH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/B2EPUGSHFIQNZNBUET4IG5VTEH \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 0e88fa1a472a20dcb43424f88376b321da57023d399277b23ccdc652a4198627

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bf8c2fbeb847f41649e8f76c1600d1fe08ddb02821c8e1e658865570d70ca0b",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG",
      "math.OC",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-02-18T16:10:35Z",
    "title_canon_sha256": "823340726c8a73a6d45da947065a3ef0abf98dbe6af6125478839e4ab3d4d393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.16568",
    "kind": "arxiv",
    "version": 2
  }
}